#!/bin/sh
# With some versions of libpcre, apparently including 8.35,
# the following would trigger an infinite loop in its match function.

# Copyright 2014-2020 Free Software Foundation, Inc.

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

. "${srcdir=.}/init.sh"; path_prepend_ ../src
require_timeout_
require_en_utf8_locale_
require_compiled_in_MB_support
LC_ALL=en_US.UTF-8 require_pcre_

printf 'a\201b\r' > in || framework_failure_

fail=0

returns_ 1 env LC_ALL=en_US.UTF-8 timeout 10 grep -P 'a.?..b' in \
  || fail_ "libpcre's match function appears to infloop"

Exit $fail
